YANG, Leez

YANG, or Yet Another Next Generation, is a data modeling language used in networking. It helps define and structure how data is exchanged between devices and systems in a network. YANG is essential for configuring devices like routers and switches, ensuring consistent communication. It allows network engineers to create and manage configurations easily. Leez, however, does not appear to be a widely recognized term in general knowledge. If you meant something else or a different context, please provide more details for clarification.